Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of September 2019. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, April 1979

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1979
1-Month
49.1°F
(9.5°C)
51.5°F
(10.8°C)
-2.4°F
(-1.3°C)
26th Coolest Coolest since: 1975 1907
100th Warmest Warmest since: 1978 2010
Mar–Apr 1979
2-Month
44.3°F
(6.8°C)
45.7°F
(7.6°C)
-1.4°F
(-0.8°C)
41st Coolest Coolest since: 1978 1926
85th Warmest Warmest since: 1977 2012
Feb–Apr 1979
3-Month
35.3°F
(1.8°C)
40.1°F
(4.5°C)
-4.8°F
(-2.7°C)
4th Coolest Coolest since: 1978 1978
122nd Warmest Warmest since: 1977 2012
Ties: 1904, 1960
Jan–Apr 1979
4-Month
29.7°F
(-1.3°C)
36.5°F
(2.5°C)
-6.8°F
(-3.8°C)
2nd Coolest Coolest since: 1912 1912
124th Warmest Warmest since: 1978 2012
Dec 1978–Apr 1979
5-Month
29.6°F
(-1.3°C)
35.1°F
(1.7°C)
-5.5°F
(-3.0°C)
3rd Coolest Coolest since: 1978 1978
122nd Warmest Warmest since: 1977 2012
Nov 1978–Apr 1979
6-Month
31.8°F
(-0.1°C)
36.0°F
(2.2°C)
-4.2°F
(-2.3°C)
5th Coolest Coolest since: 1978 1904
120th Warmest Warmest since: 1977 2012
Ties: 1899, 2014
Oct 1978–Apr 1979
7-Month
34.8°F
(1.6°C)
38.7°F
(3.7°C)
-3.9°F
(-2.1°C)
6th Coolest Coolest since: 1978 1904
119th Warmest Warmest since: 1977 2012
Sep 1978–Apr 1979
8-Month
39.2°F
(4.0°C)
42.1°F
(5.6°C)
-2.9°F
(-1.6°C)
8th Coolest Coolest since: 1978 1904
117th Warmest Warmest since: 1976 2017
Ties: 2014
Aug 1978–Apr 1979
9-Month
43.0°F
(6.1°C)
45.7°F
(7.6°C)
-2.7°F
(-1.5°C)
9th Coolest Coolest since: 1978 1904
116th Warmest Warmest since: 1976 2017
Jul 1978–Apr 1979
10-Month
46.2°F
(7.9°C)
48.6°F
(9.2°C)
-2.4°F
(-1.3°C)
9th Coolest Coolest since: 1978 1904
116th Warmest Warmest since: 1976 2012
Jun 1978–Apr 1979
11-Month
48.5°F
(9.2°C)
50.7°F
(10.4°C)
-2.2°F
(-1.2°C)
11th Coolest Coolest since: 1978 1904
114th Warmest Warmest since: 1976 2017
May 1978–Apr 1979
12-Month
49.5°F
(9.7°C)
51.6°F
(10.9°C)
-2.1°F
(-1.2°C)
5th Coolest Coolest since: 1977 1918
120th Warmest Warmest since: 1978 2012, 2017
Ties: 1899, 1905, 1982
Nov 1977–Apr 1979
18-Month
43.4°F
(6.3°C)
46.4°F
(8.0°C)
-3.0°F
(-1.7°C)
2nd Coolest Coolest since: 1918 1905
122nd Warmest Warmest since: 1978 2017
Ties: 1918
May 1977–Apr 1979
24-Month
49.6°F
(9.8°C)
51.7°F
(10.9°C)
-2.1°F
(-1.1°C)
4th Coolest Coolest since: 1978 1905
120th Warmest Warmest since: 1977 2017
May 1976–Apr 1979
36-Month
49.3°F
(9.6°C)
51.6°F
(10.9°C)
-2.3°F
(-1.3°C)
1st Coolest Coolest to Date 1979
122nd Warmest Warmest since: 1978 2018
May 1975–Apr 1979
48-Month
50.4°F
(10.2°C)
51.6°F
(10.9°C)
-1.2°F
(-0.7°C)
5th Coolest Coolest since: 1918 1980
117th Warmest Warmest since: 1978 2019
Ties: 1918
May 1974–Apr 1979
60-Month
50.4°F
(10.2°C)
51.6°F
(10.9°C)
-1.2°F
(-0.7°C)
4th Coolest Coolest since: 1908 1906
117th Warmest Warmest since: 1978 1935, 2002
Ties: 1905, 1980

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 22, 2019 from https://www.ncdc.noaa.gov/cag/